The possibility of short video uploading in Twitter is provided by official API for almost a year. Of course Twitter also let to show video from Youtube or Vimeo before, but video uploaded in Twitter directly will be played on scrolling without any clicks or taps. That increases the attractiveness to users.

Lately, many web frameworks began to provide RESTful routing. More over, REST became a design standard for a web application architecture. Today each more or less known service has RESTful API and allows an interaction by xml or json responses.

Despite the fact that there are lot manuals for software developers about REST design the problem of REST error return is discussed not enough. Further REST is considered oftenly as a set of routing rules and all what is not directly related with web routing is solved in an arbitrary way.

The article is about approaches in solving problem of error return in RESTful applications.